Drill 24: Make it smaller — Creating tables and relationships
Write a smaller version of the example that keeps the core idea.
What you will be able to do
- Write a smaller version of the example that keeps the core idea.
Practice task
Write a smaller version of the example that keeps the core idea.
create table courses (
id integer generated always as identity primary key,
slug text not null unique,
title text not null
);
create table lessons (
id integer generated always as identity primary key,
course_id integer not null references courses(id) on delete cascade,
title text not null,
minutes integer not null
);Your turn
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Write a smaller version of the example that keeps the core idea.
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